This invention relates to novel compounds that are substituted xanthine derivatives and pharmaceutically acceptable salts thereof. For example, this invention relates to novel substituted xanthine derivatives that are derivatives of pentoxifylline. This invention also provides compositions comprising one or more compounds of this invention and a carrier and the use of the disclosed compounds and compositions in methods of treating diseases and conditions for which pentoxifylline and related compounds are beneficial.
NODA, MANJIRO;MIYAKE, KOJI, YUKAGAKU, 1982, 31, N 3, 154-158
作者:NODA, MANJIRO、MIYAKE, KOJI
DOI:——
日期:——
Synthesis of Isotopically Labeled Arachidonic Acids To Probe the Reaction Mechanism of Prostaglandin H Synthase
作者:Sheng Peng、Nicole M. Okeley、Ah-Lim Tsai、Gang Wu、Richard J. Kulmacz、Wilfred A. van der Donk
DOI:10.1021/ja026880u
日期:2002.9.1
and 13(S)-deuterium-labeled arachidonic acids were synthesized in high enantiomeric purity as deduced from soybean lipoxygenase assays and mass spectrometric analysis of the resulting enzymatic products. Each synthetic compound was reacted under anaerobic conditions with the wide singlet tyrosyl radical of PGHS-2 to generate a radical intermediate that was analyzed by EPR. Deuterium substitution at positions